Category: c / c++
Given an array of integers nums, you start with an initial positive value startValue. In each iteration, you calculate the step by step sum of startValue plus elements in …
Given a m * n matrix mat and an integer K, return a matrix answer where each answer is the sum of all elements mat for i – K …
We have a collection of stones, each stone has a positive integer weight. Each turn, we choose the two heaviest stones and smash them together. Suppose the stones have …
Given a number s in their binary representation. Return the number of steps to reduce it to 1 under the following rules: If the current number is even, you …
Given a binary tree, you need to compute the length of the diameter of the tree. The diameter of a binary tree is the length of the longest path …